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⚠Yellow Advisory - Frost ▶
12:49 p.m. EDT Sunday 20 September 2026

Impact Level: Moderate

Forecast Confidence: High


Freezing temperatures with frost are expected tonight.

Patchy frost is expected early Monday morning as temperatures fall to near the freezing mark.

The frost advisory season for this region will come to an end on Monday, but frost may be possible again late Monday night into Tuesday morning.

Damage to plants, trees, and crops is possible.

Take preventative measures to protect cold-sensitive plants, trees, and crops.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.

In effect for:
  • Wawa - Pukaskwa Park

Ontario Radar
 EC Short Term Weather Forecast
Tonight
Clear
Clear
Min: 1°C
 Mon, 21 Sep
Mainly sunny
Mainly sunny
Max: 14°C
 Night
Clear
Clear
Min: 1°C
 Tue, 22 Sep
A mix of sun and cloud
A mix of sun and cloud
Max: 17°C
Night
Clear
Clear
Min: 3°C
 Wed, 23 Sep
Sunny
Sunny
Max: 18°C
 Night
Clear
Clear
Min: 6°C
Click here for full local forecast

METRIC | IMPERIAL
Updated: 09/20/2026 @ 5:45:00 pm  
Temperature & Conditions in Michpicoten Mission (Wawa) Temperature & Conditions in Michipicoten Harbour
Currently Outside: No Change

15.0°C

Feels like :  15°C
Cool
24-hr difference 0.1°C -0.1°CColder 0.1°C than yesterday at this time.
Sunny, Dry
Wind from N Wind:  N   2.7
Gusting to : 0.0
High Today
15.8°C
4:08pm 		Low Today
9.6°C
8:04am
Current Rain Rain:
1.0 mm
Rec* High
27.8°C
2019 		Rec* Low
-0.7°C
2010 		Current conditions in Michipicoten Mission Click on image for larger view
September
Average
13.1°C 		* Records from this station since 2006
Currently Outside: Warmer 0.2°C than last hour.

16.3°C

Feels like :  16°C
Comfortable
24-hr difference -1.2°C 1.2°CWarmer 1.2°C than yesterday at this time.
---
Wind:  E   9.1
Gusting to : 6.4
High Today
16.4°C
5:02pm 		Low Today
9.9°C
7:47am
Current Rain Rain:
0.4 mm
Rec* High
26.9°C
2021 		Rec* Low
4.9°C
2023 		Current conditions in Michipicoten Harbour </br> Courtesy of Anderson Fisheries & WAWA Digest
×
Click on image for larger view
September
Average
13.8°C 		* Records from this station since 2016
Dew Point Wind (Mission) Liquid Precipitation Wind (Harbour)
Dew Point: 7.3°C
In Last Hour: Increased 0.7°C since last hour. +0.7°C
High Dew
Point: 		11.0°C
at 9:27 AM
Low Dew
Point: 		6.0°C
at 5:16 PM
Wetbulb: 11.2°C
Currently: N  at
2.7 km/h
Gusting To: 0.0
Max Gust Today:  at
32.2 km/h 1:01pm
1Hr Average: 5.8 km/h
Max Gust
This Month: 		54.8 km/h
on  Sep 12
Wind Run Today: 64.35 km
Mission Harbour
1.00 mm        Today: 0.40 mm
1.2 mm        Storm Rain: 0.4 mm
0.00 mm        Yesterday: 0.00 mm
7.8 mm        Last 7 Days: 7 mm
12.20 mm        September Rain: 12.40 mm
84.6 mm        September Avg: 96 mm
Under 72.4 mm for the month -72.4 mm        Diff from Avg: Under 83.6 mm for the month -83.6 mm
479.8 mm        Rain Season:1 427.4 mm
601.8 mm        Last YTD Rain:1 478 mm
9/20/2026
at 2:34 AM 		       Last Rain
       Time/Date: 		9/20/2026
at 2:31 AM
120        Rain days in 2026 104
8        Rain days in September 10
0        Days since last rain 0
Currently: E  at
9.1 km/h
Gusting To: 6.4
Max Gust Today:  at
32.2 km/h 9:53am
1Hr Average: 7.1 km/h
Max Gust
This Month: 		64.3 km/h
on  Sep 15
Wind Run Today: 96.88 km
Humidity Heat Index (Mission) Heat Index (Harbour)
Humidity: 60 %
In Last Hour: Increased 3% since last hour. +3%
High
Today 		95%
at 3:44 AM
Low
Today 		55%
at 5:07 PM
Current: 15.0°C
Today: 15.8°C  4:08pm
Yesterday: 17.3°C
Record: 39.0°C
15/06/1994
Current: 16.3°C
Today: 16.4°C  5:02pm
Yesterday: 17.1°C
Record: 39.3°C
13/09/2024
Cooling Degree Days Lightning Strikes Barometer Sun/Moon
Today: 0.0
September: 0.8
2026 to Date: 10.4
Heating Degree Days
2026 to Date: 3738.8
Last Min: 0
Last 30 Mins: 0
Last 60 Mins: 0
Last 12 Hrs: 0
September: 0
2026 to Date: 0
Last
Strike:
Last Bearing: 0
Last Distance: 0 km
Mission Harbour
Rising 0.1 °C/hr 1023.7 hPa        Current: Rising 0.3 °C/hr 1023.2 hPa
Steady        In Last Hour: Steady
1024.3
at 3:18 PM
        High
       Today: 		1023.5
at 3:20 PM
1017.8
at 12:15 AM
        Low
       Today: 		1017.3
at 3:26 AM
Daylight
Sat: 12 hrs 19 min 7 sec
Today: 12 hrs 15 min 40 sec
Mon: 12 hrs 12 min 13 sec graph 51% 49% 3 min 27 sec shorter
than yesterday
Waxing Gibbous
<!-- matches= Array ( [0] => Array ( [0] => 9 [1] => 5 [2] => 2 [3] => 69 ) [1] => Array ( [0] => 9 [1] => 5 [2] => 2 [3] => 69 ) ) --> Waxing Gibbous, Moon at 9 days in cycle
69% Illuminated
Fire Index
Current Solar Energy Current UV Index
Fire Weather Index: LOW LOW
0 out of 31
272 W/m2
96 % 		Highest:
963 W/m2
1:16pm 		0.0
Sunburn in
720 Minutes 		Highest:
8:06am
1.8
Almanac Irrigation Index5 All Time Records Cloud Level
Currently: Afternoon
YTD Avg Temp: 4.1°C
Full Moon: September 26 2026
New Moon: 15:51 UTC October 10 2026
Sunrise:  
Sunset:  
Moonset:  
Moonrise:  
Updated at Midnight
Current ET: 2.8 mm    
7-Days Rain: 7.8 mm    
7-Days ET: 14.7 mm    
7-Day: -6.9 mm 6.9 mm water in deficit of what evaporated in last 7 days.
September: -30.2 mm 30.2 mm water in deficit of what evaporated this month.
HIGHS: LOWS:
33.9°C
02/06/2023 		-50.0°C
11/02/1981
Daytime Records
    33.1°C
18/07/1991 		  -36.7°C
12/02/1981
Nighttime Records
  25.4°C
18/07/1991 		-50.0°C
11/02/1981
ICN:0 | ISS:Ok | CON:4.4 | RCP:98%
ICN:5 | ISS:Ok | CON:4.7 | RCP:100%
1 Rain season: Jan 1st to Dec 31st.    4 Updated at Noon Central Time.
5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week.
(Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
 EC Weather Forecast  -   Outlook Tonight & Mon, 21 Sep
Tonight
Clear
Clear
Min: 1°C
 		EC forecast: Clear. Fog patches developing overnight. Wind northeast 20 km/h becoming light this evening. Low plus 1 with patchy frost.
 Mon, 21 Sep
Mainly sunny
Mainly sunny
Max: 14°C
 		EC forecast: Mainly sunny. Fog patches dissipating in the morning. High 14. UV index 4 or moderate.
V7.20 Script by: Matthew Romer Wawaweather.net




Random Weather Facts

WIND CHILL
The wind chill temperature is what the temperature "feels like" to people and animals during cold weather. Wind chill is based on the rate of heat loss from exposed skin caused by wind and cold. As the wind increases, it draws heat from the body, driving down skin temperature and eventually the internal body temperature. Once temperatures drop below 10°F (-12°C) and the wind is gusting, conditions are ripe for cold-related illnesses. Below -5°F (-20°C), any wind is a major factor in frostbite and hypothermia.